Quantitative Aptitude - Arithmetic Ability Questions

Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?

If a -­ b = 3 and ab =28, then a3 - b3 is

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

614% of 1600 + 1212% of 800 is equal to

A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?

∆ABC is right angled at B. If m∠A = 30°, then find the value of (sinC + 1/3).

The value of 16 - [5 - 2{14 of 2 - (8 ÷ 4 x 2 - 1 + 3}] is

What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?